
FLOW Stormwater Runoff 5K is a running race on October 4, 2026 in Powell, OH, featuring the 1 Mile and 5K distances, with entry fees from $15 to $30.
From the Organizer
October 1-7 is Stormwater Awareness Week in Ohio, an effort to raise awareness about how stormwater pollution affects our land, water, and farms, and what steps we can take to prevent it. Clean stormwater helps protect our streams, drinking water, and the health of Ohio’s natural resources.
All proceeds from this event will benefit Friends of the Lower Olentangy Watershed (FLOW), a 501(c)(3) volunteer-based nonprofit established in 1997 with a mission to keep the Olentangy River and its tributaries clean and safe for all to enjoy, through public education, volunteer activities, and coordination with local decision-makers.
Your participation (and donation) helps us continue our conservation work, including tree plantings, invasive species removal, stream quality monitoring by citizen scientists, pollinator garden planting/maintenance, and litter cleanup efforts (481 tires collected for recycling, plus over 6,000 lbs. of trash removed from the watershed in 2025 alone!) FLOW also runs 3 volunteer-run tree nurseries where we grow over 2,500 native trees and bushes to use in our restoration efforts, and to make available in our fall free tree giveaway to residents of the watershed.
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
70°
Typical Low
48°
Chance of Rain
34%
Based on US Climate Normals data from Columbus Ohio State Univ Ap, 8 mi from the venue.
Host City
Population
14,229
as of 2023
City Elevation
926 ft
Nearest Airport
CMH
John Glenn Columbus International Airport · 17 mi
Time Zone
Eastern Time
From Endurance Grid
A small town race. Lodging near the start could be limited, so book early.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at FLOW Stormwater Runoff 5K, put it on the calendar, and turn “someday” into a start date.
94
Days to train
Coming Up
Patriots 5k on the 4th of July
Less than a mile away
Heatwave Half Marathon - Columbus
5 miles away
Nocterra Quitter's Run presented by Brooks
3 miles away
Kona Kids 5k
Less than a mile away
From Endurance Grid
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
FLOW Stormwater Runoff 5K
Oct 4, 2026